<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta charset="UTF-8">
    <title>登录失败</title>
    <style>
        body { font-family: Arial, sans-serif; text-align: center; margin-top: 80px; }
        .fail { color: #F44336; font-size: 1.5em; }
        .desc { margin-top: 20px; color: #888; }
    </style>
</head>
<body>
    <div class="fail">登录失败</div>
    <div class="desc">{{ reason }}</div>
</body>
</html>
